Remove html validation in preparation for moving to html5
Switch default layout to html5
Make admin layout html5
Whitespace changes only for formatting purposes
Fix html5 validation errors
Encode parameters of Twitter link
Replace two links with one
Replace use of <big> tag with <span class="big">
Make url in link actually be something sensible
Generate form tags with non-empty action attribute
Don't want duplicate id's on the same page. That's bad
Make no_chrome layout html5
Make view as html display as html5
Make default maintenance page html5
Remove monkeypatch that makes tag helper html4 compliant
Merge remote-tracking branch 'openaustralia_github/html5' into develop

Conflicts:
    app/views/admin_general/index.rhtml
    app/views/admin_request/show.rhtml